Home / 1,104.10-1,654.97-829.37

Finding the Fourth Proportional to 1,104.10, 1,654.97 and 829.37

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Solution

The fourth proportional to 1,104.10, 1,654.97 and 829.37 is: 1,243.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,104.10 : 1,654.97 = 829.37 : x
  2. Step 2: Convert to fraction form
    1,104.10/1,654.97 = 829.37/x
  3. Step 3: Cross multiply
    1,104.10x = 1,654.97 × 829.37
  4. Step 4: Simplify right side
    1,104.10x = 1,372,582.46
  5. Step 5: Solve for x
    x = 1,372,582.46/1,104.10
  6. Step 6: Final answer
    x = 1,243.17

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.